Read the following sentences related to glass packaging materials.
A. Breaking point of silicate glass is 70 MPa.
B. The purpose of including cullet in glass bottle manufacture is for decolorizing.
C. Annealing is the temperature at which stresses in the glass are relieved in a few minutes.
D. The three main colors of glass used to produce containers are flint or clear, amber or brown, and green.
E. Thermal stresses can be reduced by minimizing the temperature gradient from the hot to the cold side, decreasing the glass thickness, and avoiding sharp corners.
Choose the correct answer from the options given below: